Home / 126,437.82-189,596.52-37,660.20

Finding the Fourth Proportional to 126,437.82, 189,596.52 and 37,660.20

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Solution

The fourth proportional to 126,437.82, 189,596.52 and 37,660.20 is: 56,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,437.82 : 189,596.52 = 37,660.20 : x
  2. Step 2: Convert to fraction form
    126,437.82/189,596.52 = 37,660.20/x
  3. Step 3: Cross multiply
    126,437.82x = 189,596.52 × 37,660.20
  4. Step 4: Simplify right side
    126,437.82x = 7,140,242,862.50
  5. Step 5: Solve for x
    x = 7,140,242,862.50/126,437.82
  6. Step 6: Final answer
    x = 56,472.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.